Adaptor seal



FIG. 1 is a front perspective view of an adaptor seal for a humidifier/respiratory apparatus according to our design; and,

FIG. 2 is a left side view thereof, with the right side view thereof being a mirror image thereof.

The top and bottom views are not shown because they are similar to FIG. 2, the only difference is that the top and bottom views would be rotated 90° clockwise and 90° counterclockwise, respectively, compared to FIG. 2.

The broken lines showing environment or structure of the adaptor seal are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an adaptor seal, as shown and described. 